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Move execute-parent kernels into session registry#8482

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gatesn merged 17 commits into
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ngates/session-parent-kernels
Jun 18, 2026
Merged

Move execute-parent kernels into session registry#8482
gatesn merged 17 commits into
developfrom
ngates/session-parent-kernels

Document execute parent registry semantics

b7a1dd9
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CodSpeed HQ / CodSpeed Performance Analysis failed Jun 18, 2026 in 0s

12 benchmarks regressed

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

⚡ 91 improved benchmarks
❌ 12 regressed benchmarks
✅ 1478 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ Simulation take_10k_random 197.7 µs 253.7 µs -22.08%
❌ Simulation take_10k_contiguous 217.6 µs 274.4 µs -20.68%
❌ Simulation patched_take_10k_contiguous_patches 232.1 µs 288.8 µs -19.64%
❌ Simulation patched_take_10k_random 244.5 µs 301.2 µs -18.83%
❌ Simulation encode_varbin[(1000, 2)] 239.6 µs 294.6 µs -18.67%
❌ Simulation chunked_varbinview_canonical_into[(1000, 10)] 162.7 µs 191.1 µs -14.86%
❌ Simulation varbinview_large 112.6 µs 130.8 µs -13.93%
❌ Simulation decompress_rd[f64, (100000, 0.01)] 890.1 µs 1,020.4 µs -12.77%
❌ Simulation decompress_rd[f64, (100000, 0.1)] 890.2 µs 1,020.4 µs -12.76%
❌ Simulation bench_many_codes_few_values[1024] 467.5 µs 526.3 µs -11.17%
❌ Simulation and_true_constant 14.9 µs 16.8 µs -11.1%
❌ Simulation or_false_constant 14.9 µs 16.8 µs -10.92%
⚡ Simulation search_index_mixed_out_of_range 255.9 µs 78.9 µs ×3.2
⚡ Simulation search_index_above_max 255.7 µs 78.9 µs ×3.2
⚡ Simulation search_index_below_min 255.7 µs 78.9 µs ×3.2
⚡ Simulation search_index_full_range_random 255.9 µs 79 µs ×3.2
⚡ Simulation search_index_in_range 256.1 µs 79.2 µs ×3.2
⚡ Simulation chunked_dict_primitive_into_canonical[u32, (1000, 10, 10)] 185.4 µs 87.5 µs ×2.1
⚡ Simulation chunked_bool_canonical_into[(10, 1000)] 751.4 µs 492.8 µs +52.47%
⚡ Simulation chunked_opt_bool_canonical_into[(10, 1000)] 866.6 µs 572.3 µs +51.42%
... ... ... ... ... ...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.

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Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

Comparing ngates/session-parent-kernels (b7a1dd9) with develop (aef6307)

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